ClassID:

171837

G01R31/31716 - CPC Classification

Classification description:

Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere; Testing of electronic circuits, e.g. by signal tracer; Testing of digital circuits; Input or output aspects Testing of input or output with loop-back

Recent Application in this class:
#1
20260009822
2026-01-08

PROBE CARD FOR LOOPBACK TEST, PROBE HEAD THEREOF, PROBE SYSTEM, TESTING METHOD AND TESTED DEVICE

#2
20250277851
2025-09-04

EXPERIMENT-IN-THE-LOOP SYSTEM FOR FAST AND EFFECTIVE TUNING OF ACTIVE VIBRATION CONTROLLERS

#3
20250231236
2025-07-17

COMPONENT DIE VALIDATION BUILT-IN SELF-TEST (VBIST) ENGINE

#4
20240129074
2024-04-18

Systems, methods, and storage media for detecting a security intrusion of a network device

#5
20240061034
2024-02-22

Automated test equipment comprising a device under test loopback and an automated test system with an automated test equipment comprising a device under test loopback

#6
20240003974
2024-01-04

Component die validation built-in self-test (VBIST) engine

#7
20230384377
2023-11-30

Built-in self-test for die-to-die physical interfaces

#8
20230266387
2023-08-24

LOW OVERHEAD LOOP BACK TEST FOR HIGH SPEED TRANSMITTER

#9
20230163901
2023-05-25

Systems, methods, and storage media for detecting a security intrusion of a network device

#10
20230116320
2023-04-13

Stacked Integrated Circuit Device

#11
20230098071
2023-03-30

FUNCTIONAL SAFETY MECHANISMS FOR INPUT/OUTPUT (IO) CELLS

#12
20230052971
2023-02-16

Spectral leakage-based loopback method for predicting performance of mixed-signal circuit, and system therefor

#13
20220365135
2022-11-17

Built-in self-test for die-to-die physical interfaces

#14
20220236318
2022-07-28

Automated test equipment comprising a device under test loopback and an automated test system with an automated test equipment comprising a device under test loopback

#15
20220116160
2022-04-14

Systems, methods, and storage media for detecting a security intrusion of a network device

#16
20220109533
2022-04-07

Test system, electronic device and loopback testing method

#17
20220058097
2022-02-24

Flexible test systems and methods

#18
20210325458
2021-10-21

Asynchronous circuits and test methods

#19
20210302498
2021-09-30

Enhanced loopback diagnostic systems and methods

#20
20210156916
2021-05-27

Testing device and testing method

#21
20210118720
2021-04-22

Apparatus having on-chip fail safe logic for I/O signal in high integrity functional safety applications

#22
20210096183
2021-04-01

Device, method and system of error detection and correction in multiple devices

#23
20200217886
2020-07-09

Circuit testing system and circuit testing method

#24
20200132759
2020-04-30

Asynchronous circuits and test methods

#25
20200106572
2020-04-02

Systems, methods, and storage media for detecting a security intrusion of a network device

#26
20200103464
2020-04-02

Method and apparatus for testing a multi-die integrated circuit device

#27
20200072889
2020-03-05

PHYSICAL LAYER DEVICE AND METHOD FOR PERFORMING PHYSICAL LAYER OPERATIONS IN A COMMUNICATIONS NETWORK

#28
20190353706
2019-11-21

Memory loopback systems and methods

#29
20190302181
2019-10-03

Semiconductor memory device

#30
20190271742
2019-09-05

Semiconductor memory device including a shift register

#31
20190120903
2019-04-25

Method for identifying a fault at a device output and system therefor

#32
20190120897
2019-04-25

Method for identifying a fault at a device output and system therefor

#33
20190066816
2019-02-28

Semiconductor memory device

#34
20190064265
2019-02-28

Memory loopback systems and methods

#35
20180238964
2018-08-23

Non-destructive recirculation test support for integrated circuits

#36
20180231608
2018-08-16

Systems and methods for wafer-level loopback test

#37
20180203061
2018-07-19

Apparatus having on-chip fail safe logic for I/O signal in high integrity functional safety applications

#38
20180069641
2018-03-08

Transmitter, integrated circuit, detection section and method for testing integrated circuit

#39
20170059656
2017-03-02

Backplane testing system

#40
20170003319
2017-01-05

Probe module supporting loopback test

#41
20160352474
2016-12-01

Method and apparatus for evaluating and optimizing a signaling system

#42
20160322118
2016-11-03

Parallel test device and method

#43
20160313399
2016-10-27

Interface chip and built-in self-test method therefor

#44
20160266204
2016-09-15

Backplane testing system

#45
20160216319
2016-07-28

Integrated circuit and storage device including integrated circuit

#46
20160204881
2016-07-14

RF testing system using integrated circuit

#47
20160084903
2016-03-24

Integrated circuit and method of operating an integrated circuit

#48
20160077158
2016-03-17

Testing device comprising circuitry to calculate a correction value for calibrating channel loss

#49
20160025807
2016-01-28

Systems and methods for wafer-level loopback test

#50
20150249510
2015-09-03

On-chip stimulus generation for test and calibration of NFC reader receivers

#51
20150177326
2015-06-25

Waveform calibration using built in self test mechanism

#52
20150078426
2015-03-19

Method and apparatus for evaluating and optimizing a signaling system

#53
20150012791
2015-01-08

Parallel test device and method

#54
20140281716
2014-09-18

Analog block and test blocks for testing thereof

#55
20140232422
2014-08-21

Test circuit providing different levels of concurrency among radio cores

#56
20140189457
2014-07-03

Input/output delay testing for devices utilizing on-chip delay generation

#57
20140089752
2014-03-27

Method, system and apparatus for evaluation of input/output buffer circuitry

#58
20140046616
2014-02-13

Circuit test system electric element memory control chip under different test modes

#59
20140019817
2014-01-16

Noise rejection for built-in self-test with loopback

#60
20130271167
2013-10-17

Current tests for I/O interface connectors

#61
20130229927
2013-09-05

Layer 2 and 3 latching loopbacks on a pluggable transceiver

#62
20130114420
2013-05-09

Physical layer loopback

#63
20120192043
2012-07-26

Loopback testing with phase alignment of a sampling clock at a test receiver apparatus

#64
20120191400
2012-07-26

Built-in self-test methods, circuits and apparatus for concurrent test of RF modules with a dynamically configurable test structure

#65
20120179422
2012-07-12

Systems and methods for precise timing measurements using high-speed deserializers

#66
20120169361
2012-07-05

Built in self test for transceiver

#67
20120147986
2012-06-14

Method and apparatus for evaluating and optimizing a signaling system

#68
20120081138
2012-04-05

Testing of high-speed input-output devices

#69
20120072787
2012-03-22

Memory controller with loopback test interface

#70
20110267086
2011-11-03

Test circuit of an integrated circuit on a wafer

#71
20110231720
2011-09-22

Data recirculation in configured scan paths

#72
20110218755
2011-09-08

INTEGRATED CIRCUIT AND TEST METHOD THEREFOR

#73
20110176431
2011-07-21

Physical layer loopback

#74
20110154171
2011-06-23

Blanking primitives masking circuit

#75
20110121815
2011-05-26

Measuring apparatus, parallel measuring apparatus, testing apparatus and electronic device

#76
20110112788
2011-05-12

Integrated systems testing

#77
20110047420
2011-02-24

Method and system for testing chips

#78
20110043188
2011-02-24

Voltage margin test device

#79
20110035560
2011-02-10

Memory controller with loopback test interface

#80
20100301895
2010-12-02

Test system and test method of semiconductor integrated circuit

#81
20100251042
2010-09-30

Double data rate memory physical interface high speed testing using self checking loopback

#82
20100251040
2010-09-30

Method and apparatus for evaluating and optimizing a signaling system

#83
20100238785
2010-09-23

Cancellation of crosstalk energy in communication loops

#84
20100218058
2010-08-26

Fault injection

#85
20100213965
2010-08-26

Method and apparatus of testing die to die interconnection for system in package

#86
20100169714
2010-07-01

Test apparatus and recording medium

#87
20100117678
2010-05-13

Semiconductor device and method of testing the same

#88
20100103826
2010-04-29

Redundant acknowledgment in loopback entry

#89
20100072977
2010-03-25

ELECTRONIC DEVICE AND TEST METHOD OF ELECTRONIC DEVICE

#90
20090292962
2009-11-26

Integrated circuit with inter-symbol interference self-testing

#91
20090235130
2009-09-17

TEST PATTERN CUSTOMIZATION OF HIGH SPEED SAS NETWORKS IN A MANUFACTURING TEST SYSTEM

#92
20090212811
2009-08-27

Semiconductor device and method for testing the same

#93
20090206867
2009-08-20

Self-test method for interface circuit

#94
20090157340
2009-06-18

Method and system for yield enhancement

#95
20090134903
2009-05-28

Loop-back testing method and apparatus for IC

#96
20090113258
2009-04-30

Method and system for testing devices using loop-back pseudo random data

#97
20090103443
2009-04-23

Loopback configuration for bi-directional interfaces

#98
20090085577
2009-04-02

System for terminating high speed input/output buffers in an automatic test equipment environment to enable external loopback testing

#99
20080307276
2008-12-11

Memory controller with loopback test interface

#100
20080303599
2008-12-11

Phase lock loop semiconductor device

#101
20080250289
2008-10-09

Method for performing a logic built-in-self-test in an electronic circuit

#102
20080240212
2008-10-02

Transmitter/receiver device that converts serial and parallel signals and method of testing thereof

#103
20080231313
2008-09-25

Semiconductor device

#104
20080208510
2008-08-28

Parameterized Signal Conditioning

#105
20080195920
2008-08-14

SELF-TEST STRUCTURE AND METHOD OF TESTING A DIGITAL INTERFACE

#106
20080115022
2008-05-15

System and related method for chip I/O test

#107
20080104463
2008-05-01

Method and system for testing chips

#108
20080086667
2008-04-10

Chip testing device and system

#109
20080086665
2008-04-10

Semiconductor integrated circuit and testing method

#110
20070280121
2007-12-06

Physical layer loopback

#111
20070268036
2007-11-22

Integrated systems testing

#112
20070264730
2007-11-15

Redundant acknowledgment in loopback entry

#113
20070257733
2007-11-08

AMPLIFIER SYSTEM WITH CURRENT-MODE SERVO FEEDBACK

#114
20070257707
2007-11-08

Circuit for testing the AC timing of an external input/output terminal of a semiconductor integrated circuit

#115
20070257693
2007-11-08

Interface test circuit

#116
20070245179
2007-10-18

Manufacturing method of semiconductor device and semiconductor device corresponding to loop back test

#117
20070176807
2007-08-02

Electronic test circuit for an integrated circuit and methods for testing the driver strength and for testing the input sensitivity of a receiver of the integrated circuit

#118
20070168766
2007-07-19

Providing precise timing control between multiple standardized test instrumentation chassis

#119
20070165472
2007-07-19

METHOD AND APPARATUS FOR EVALUATING AND OPTIMIZING A SIGNALING SYSTEM

#120
20070164728
2007-07-19

Systems and methods for measuring signal propagation delay between circuits

#121
20070104111
2007-05-10

Internal analog loopback for a high-speed interface test

#122
20070079198
2007-04-05

Semiconductor integrated circuit apparatus and interface test method

#123
20070064510
2007-03-22

Method and apparatus for evaluating and optimizing a signaling system

#124
20070063726
2007-03-22

Integrated systems testing

#125
20070061658
2007-03-15

Testing circuit and related method of injecting a time jitter

#126
20070057835
2007-03-15

High speed transmission system

#127
20070050167
2007-03-01

Techniques for generating test patterns in high speed memory devices

#128
20070043990
2007-02-22

Providing precise timing control within a standardized test instrumentation chassis

#129
20070038403
2007-02-15

Electronic circuit, system with an electronic circuit and method for testing an electronic circuit

#130
20070028143
2007-02-01

Integrated systems testing

#131
20070024309
2007-02-01

Integrated systems testing

#132
20070024308
2007-02-01

Integrated systems testing

#133
20070024271
2007-02-01

Integrated systems testing

#134
20070004286
2007-01-04

Cancellation of crosstalk energy in communication loops

#135
20060268723
2006-11-30

Selective test point for high speed SERDES cores in semiconductor design

#136
20060253758
2006-11-09

Semiconductor device with test circuit and test method of the same

#137
20060203830
2006-09-14

Semiconductor integrated circuit and test method for the same

#138
20060184332
2006-08-17

Test apparatus and test method for testing a device under test

#139
20060176943
2006-08-10

Serializer deserializer (SERDES) testing

#140
20060170445
2006-08-03

Method for testing the sensitive input range of Byzantine filters

#141
20060123304
2006-06-08

Enhanced loopback testing of serial devices

#142
20060107154
2006-05-18

Through-core self-test with multiple loopbacks

#143
20060103407
2006-05-18

Method and an apparatus for testing transmitter and receiver

#144
20060075318
2006-04-06

Self verifying communications testing

#145
20060059397
2006-03-16

Loop-back method for measuring the interface timing of semiconductor devices with the aid of signatures and/or parity methods

#146
20060020861
2006-01-26

Method, system, and apparatus for loopback entry and exit

#147
20050285620
2005-12-29

Leakage testing for differential signal transceiver

#148
20050235187
2005-10-20

Apparatus and method for testing motherboard having PCI express devices

#149
20050229066
2005-10-13

Digital frequency synthesis clocked circuits

#150
20050225382
2005-10-13

Apparatus for providing a high frequency loop back with a DC path for a parametric test

#151
20050206392
2005-09-22

Determination of worst case voltage in a power supply loop

#152
20050201500
2005-09-15

Semiconductor integrated circuit and method for testing the same

#153
20050193302
2005-09-01

Test switching circuit for a high speed data interface

#154
20050168298
2005-08-04

Electromagnetic interface module for balanced data communication

#155
20050154946
2005-07-14

Programmable measurement mode for a serial point to point link

#156
20050146346
2005-07-07

Method and an apparatus for testing transmitter and receiver

#157
20050138504
2005-06-23

Test apparatus and testing method

#158
20050116773
2005-06-02

Amplifier system with current-mode servo feedback

#159
20050108603
2005-05-19

Input switching arrangement for a semiconductor circuit and test method for unidirectional input drivers in semiconductor circuits

#160
20050102593
2005-05-12

Method of testing phase lock loop status during a Serializer/Deserializer internal loopback built-in self-test

#161
20050079822
2005-04-14

Automated test of receiver sensitivity and receiver jitter tolerance of an integrated circuit

#162
20050077905
2005-04-14

Testing method and tester for semiconductor integrated circuit device comprising high-speed input/output element

#163
20050076280
2005-04-07

Programmable built-in self-test circuit for serializer/deserializer circuits and method

#164
20050047495
2005-03-03

Semiconductor integrated circuit device and method of testing the same